forked from mirrors/gecko-dev
105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/glean/bindings/Rate.h"
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#include "jsapi.h"
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#include "nsString.h"
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#include "mozilla/Components.h"
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#include "mozilla/ResultVariant.h"
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#include "mozilla/glean/bindings/Common.h"
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#include "mozilla/glean/bindings/ScalarGIFFTMap.h"
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#include "mozilla/glean/fog_ffi_generated.h"
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#include "nsIClassInfoImpl.h"
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namespace mozilla::glean {
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namespace impl {
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void RateMetric::AddToNumerator(int32_t aAmount) const {
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auto scalarId = ScalarIdForMetric(mId);
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if (scalarId && aAmount >= 0) {
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Telemetry::ScalarAdd(scalarId.extract(), u"numerator"_ns, aAmount);
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}
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fog_rate_add_to_numerator(mId, aAmount);
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}
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void RateMetric::AddToDenominator(int32_t aAmount) const {
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auto scalarId = ScalarIdForMetric(mId);
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if (scalarId && aAmount >= 0) {
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Telemetry::ScalarAdd(scalarId.extract(), u"denominator"_ns, aAmount);
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}
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fog_rate_add_to_denominator(mId, aAmount);
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}
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Result<Maybe<std::pair<int32_t, int32_t>>, nsCString> RateMetric::TestGetValue(
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const nsACString& aPingName) const {
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nsCString err;
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if (fog_rate_test_get_error(mId, &err)) {
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return Err(err);
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}
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if (!fog_rate_test_has_value(mId, &aPingName)) {
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return Maybe<std::pair<int32_t, int32_t>>();
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}
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int32_t num = 0;
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int32_t den = 0;
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fog_rate_test_get_value(mId, &aPingName, &num, &den);
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return Some(std::make_pair(num, den));
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}
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} // namespace impl
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NS_IMPL_CLASSINFO(GleanRate, nullptr, 0, {0})
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NS_IMPL_ISUPPORTS_CI(GleanRate, nsIGleanRate)
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NS_IMETHODIMP
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GleanRate::AddToNumerator(int32_t aAmount) {
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mRate.AddToNumerator(aAmount);
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return NS_OK;
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}
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NS_IMETHODIMP
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GleanRate::AddToDenominator(int32_t aAmount) {
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mRate.AddToDenominator(aAmount);
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return NS_OK;
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}
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NS_IMETHODIMP
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GleanRate::TestGetValue(const nsACString& aPingName, JSContext* aCx,
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JS::MutableHandle<JS::Value> aResult) {
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auto result = mRate.TestGetValue(aPingName);
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if (result.isErr()) {
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aResult.set(JS::UndefinedValue());
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LogToBrowserConsole(nsIScriptError::errorFlag,
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NS_ConvertUTF8toUTF16(result.unwrapErr()));
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return NS_ERROR_LOSS_OF_SIGNIFICANT_DATA;
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}
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auto optresult = result.unwrap();
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if (optresult.isNothing()) {
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aResult.set(JS::UndefinedValue());
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} else {
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// Build return value of the form: { numerator: n, denominator: d }
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JS::Rooted<JSObject*> root(aCx, JS_NewPlainObject(aCx));
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if (!root) {
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return NS_ERROR_FAILURE;
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}
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auto pair = optresult.extract();
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int32_t num = pair.first;
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int32_t den = pair.second;
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if (!JS_DefineProperty(aCx, root, "numerator", static_cast<double>(num),
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JSPROP_ENUMERATE)) {
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return NS_ERROR_FAILURE;
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}
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if (!JS_DefineProperty(aCx, root, "denominator", static_cast<double>(den),
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JSPROP_ENUMERATE)) {
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return NS_ERROR_FAILURE;
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}
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aResult.setObject(*root);
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}
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return NS_OK;
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}
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} // namespace mozilla::glean
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